package utiles;

public class Utiles {
	public Boolean esNumero(String cadena){
		Boolean res = new Boolean(true);
		try{
			if(cadena.length()>9){
				Long.parseLong(cadena);
			}else{
				Integer.parseInt(cadena);
			}
			res = true;
		}catch (NumberFormatException nfe){
			res = false;
		}
		return res;
	}
}
